Extension of methods to utilize fully ceramic micro-encapsulated fuel in light water reactors

a technology of micro-encapsulation and light water reactor, which is applied in the field of nuclear technologies, can solve the problems of limiting nuclear proliferation and diversion opportunities, reducing the overall waste volume, and the heavy metal mass in fcm fuel pellets is considerably lower than the average, so as to increase the increase the diameter, and increase the effect of heavy metal and fissile mass
US20130322590A1Inactive Publication Date: 2013-12-05KOREA ATOMIC ENERGY RES INST
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
KOREA ATOMIC ENERGY RES INST
Publication Date
2013-12-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

A 12×12 fully ceramic micro-encapsulated fuel assembly for a light water nuclear reactor includes a set of FCM fuel rods bundled in a square matrix arrangement. The fully ceramic micro-encapsulated fuel is comprised of tristructural-isotropic particles. Each tristructural-isotropic particle has a kernel that is comprised uranium nitride. The kernel diameter is 400 or more micrometers. The fully ceramic micro-encapsulated fuel is further mixed with a burnable poison material.
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Description

CROSS REFERENCE TO RELATED APPLICATIONS

[0001] This application claims the benefit and priority of U.S. Patent Application No. 61 / 561,829, entitled “EXTENSION OF METHODS TO UTILIZE FULLY CERAMIC MICRO-ENCAPSULATED FUEL IN LWRS,” filed Nov. 19, 2011, which is hereby incorporated by reference in its entirety. Furthermore, this application is related to a U.S. patent application Ser. No. 13 / 567,243, entitled “DISPERSION CERAMIC MICRO-ENCAPSULATED (DCM) NUCLEAR FUEL AND RELATED METHODS,” filed Aug. 6, 2012, which is hereby incorporated by reference. This application is also related to a U.S. patent application Ser. No. 13 / 669,200, entitled “FULLY CERAMIC MICROENCAPSULATED REPLACEMENT FUEL ASSEMBLIES FOR LIGHT WATER RETACTORS,” filed Nov. 5, 2012, which is hereby incorporated by reference.FIELD OF THE DISCLOSURE

[0002] The present invention relates generally to nuclear technologies, and more particularly relates to a fully ceramic micro-encapsulated fuel pellet and a fully ceramic micro-enca...

Claims

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